# Seongsu, Seoul fit-out and specification

> Seongsu prime stock delivers a mid-to-high Cat-A baseline; tenant fit-out is typically Mid or High-end spec.

**Canonical URL:** https://classa.info/cities/seoul/seongsu/topics/fit-out-and-spec
**Page type:** nb-topic
**Last updated:** 2026-04-15T00:00:00.000Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- Typical spec: 20–40,000 sqft floor plates available across newer Class A stock.
- Seoul fit-out range — Basic $80–115/sqft, Trophy $260–390/sqft.
- Submarket tier: prime.

## Key facts
- **city**: Seoul
- **submarket**: Seongsu
- **tier**: prime
- **averageRentLocal**: $35/sqft/yr
- **cityClassARentUsd**: $34/sqft/yr
- **cityVacancyPct**: 5.2%

## FAQ
### What spec level is normal in Seongsu?
20–40,000 sqft floor plates available across newer Class A stock.

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Citation: Source: Class A Atlas (https://classa.info/cities/seoul/seongsu/topics/fit-out-and-spec), updated 2026-04-15T00:00:00.000Z.